Finding the Fourth Proportional to 961,100.44, 1,326,415.26 and 531,413.08
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Solution
The fourth proportional to 961,100.44, 1,326,415.26 and 531,413.08 is: 733,403.49
Step by Step Solution
- Step 1: Write the proportion equation
961,100.44 : 1,326,415.26 = 531,413.08 : x - Step 2: Convert to fraction form
961,100.44/1,326,415.26 = 531,413.08/x - Step 3: Cross multiply
961,100.44x = 1,326,415.26 × 531,413.08 - Step 4: Simplify right side
961,100.44x = 704,874,418,675.60 - Step 5: Solve for x
x = 704,874,418,675.60/961,100.44 - Step 6: Final answer
x = 733,403.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.